Chemistry Concepts and Applications

Section 1: Hydrocarbons

Self Check Quizzes

1
Organic compounds include most compounds that contain the element __________.
A)carbon
B)iodine
C)nitrogen
D)silicon
2
The structure of 3-ethylpentane is best described as __________.
A)a five-carbon chain with a two-carbon attachment on the third carbon of the chain
B)a three-carbon chain with a five-carbon attachment on the third carbon of the chain
C)a five-carbon ring with a two-carbon attachment on the third carbon of the ring
D)a five-carbon chain with a one-carbon attachment on the third carbon of the chain
3
What is the name of the alkene with the formula CH3CH=CHCH2CH3?
A)2-pentene
B)hexene
C)1-pentene
D)2-methyl-1-butene
4
The smallest cycloalkane has __________ carbon atoms.
A)one
B)two
C)three
D)six
5
Structural isomers have __________ formula and __________ properties.
A)the same; the same
B)the same; different
C)different; the same
D)different; different
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